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Finding the Fourth Proportional to 161,261.80, 225,999.80 and 161,261.80

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Solution

The fourth proportional to 161,261.80, 225,999.80 and 161,261.80 is: 225,999.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,261.80 : 225,999.80 = 161,261.80 : x
  2. Step 2: Convert to fraction form
    161,261.80/225,999.80 = 161,261.80/x
  3. Step 3: Cross multiply
    161,261.80x = 225,999.80 × 161,261.80
  4. Step 4: Simplify right side
    161,261.80x = 36,445,134,547.64
  5. Step 5: Solve for x
    x = 36,445,134,547.64/161,261.80
  6. Step 6: Final answer
    x = 225,999.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.